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Professor Program Promos
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#190
Professor's Research [Professor Turo] - 190/198
Professor Program Promos · #190 · Promo · Reverse Holofoil
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$23.99
Not in our fair-value model, so we show where it has recently traded instead of a fair value.
Raw
PSA 10
Repriced 2026-10-28 · Prices are descriptive, not a forecast
How it's measured
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Overview
Viewing
Raw
PSA 10
Grade distribution
How copies sent to PSA have come back.
Gem rate
21.1%
PSA graded
19
PSA 10
4
21.1%
PSA 9
11
57.9%
PSA 8
4
21.1%
PSA 7
0
0%
6 & below
0
0%
PSA population as of Oct 2026. Half grades count toward the grade below (a 9.5 is a 9).
![Professor's Research [Professor Turo] - 190/198 — Professor Program Promos #190](https://tcgplayer-cdn.tcgplayer.com/product/556957_in_800x800.jpg)